Messages in this thread | | | Date | Wed, 13 Oct 2004 18:02:06 +0900 | From | Hiroyuki KAMEZAWA <> | Subject | Re: bug in 2.6.9-rc4-mm1 ia64/mm/init.c |
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David Mosberger wrote:
>>>>>>On Wed, 13 Oct 2004 17:44:10 +0900, Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com> said: > > > Hiroyuki> My purpose was to reduce # of page fault when > Hiroyuki> ia64_pfn_valid() is called. It is called heavily in > Hiroyuki> bad_range() (in mm/page_alloc.c) now. > > At the expense of ignoring perfectly good memory? Or did I miss something? > > --david
Am I ignoring some good memory ? I think GRANULEROUNDDOWN(start)/GRANULEROUNDUP(end) only expand valid pfn range, do I misunderstanding something ?
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